package com.ivan.blog.aspect;


import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;

/**
 * @Auther: Ivan
 * @Date: 2020/1/18 16:54
 * @Description: 日志处理
 */
//@Aspect
//@Component
public class LogAspect {

    //日志记录
    private final Logger logger= LoggerFactory.getLogger(this.getClass());

    @Pointcut("execution(* com.ivan.blog.controller.*.*(..))")
    public void log(){

    }

    @Before("log()")
    public void doBefore(JoinPoint joinPoint){
//        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
//        HttpServletRequest request = attributes.getRequest();
//
//        String url = request.getRequestURL().toString();
//        String ip = request.getRemoteAddr();
//        String classMethod = joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName();
//        Object[] args = joinPoint.getArgs();
//        RequestLog requestLog = new RequestLog(url, ip, classMethod, args);
//
//        logger.info("Request : {}", requestLog);
    }

    @After("log()")
    public void doAfter(){
//        logger.info("================doAfter================");
    }

    @AfterReturning(returning = "result", pointcut = "log()")
    public void doAfterReturn(Object result){
//        logger.info("================doAfterReturn================Result : {}", result);
    }

    //请求日志内部类
    public class RequestLog{
        private String url;
        private String ip;
        private String classMethod;
        private Object[] args;

        public RequestLog(String url, String ip, String classMethod, Object[] args) {
            this.url = url;
            this.ip = ip;
            this.classMethod = classMethod;
            this.args = args;
        }

        @Override
        public String toString() {
            return "{" +
                    "url='" + url + '\'' +
                    ", ip='" + ip + '\'' +
                    ", classMethod='" + classMethod + '\'' +
                    ", args=" + Arrays.toString(args) +
                    '}';
        }
    }
}
